Answer:
A. It convinced many European Kingdoms to participate in the Crusades.
The development in the field of psychology has been through many decades. there has been a revolution the advancement of psychological field.
The understanding of human behavior have resulted in solving many problems. It mainly focuses on how a human will respond in a certain situation and what will be his behavior based on the environment.
There are many books published by various authors which include Sigmund Freud's Interpretation of Dreams.
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He helped the slaves to get away from being slaves.
The Declaration of Independence is named the Declaration of Independence because it is when the 13 colonies wrote their grievances to Great Britain and stated they will be separated from Britain's rule and be their own nation.
Answer:
the awnser is b) to convince people of the importance and benefits of its program